Finding the Fourth Proportional to 3,350,318.16, 4,623,418.08 and 1,822,431.36
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Solution
The fourth proportional to 3,350,318.16, 4,623,418.08 and 1,822,431.36 is: 2,514,943.86
Step by Step Solution
- Step 1: Write the proportion equation
3,350,318.16 : 4,623,418.08 = 1,822,431.36 : x - Step 2: Convert to fraction form
3,350,318.16/4,623,418.08 = 1,822,431.36/x - Step 3: Cross multiply
3,350,318.16x = 4,623,418.08 × 1,822,431.36 - Step 4: Simplify right side
3,350,318.16x = 8,425,862,099,382.99 - Step 5: Solve for x
x = 8,425,862,099,382.99/3,350,318.16 - Step 6: Final answer
x = 2,514,943.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.